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      <title>String s = new String("xyz") 创建了几个字符串对象？ - 学习卡片</title>
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        <h1>String s = new String("xyz") 创建了几个字符串对象？ - 学习卡片</h1>
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          <div class="card-category">机制</div>
          <div class="card-question">`String s = new String("xyz");` 这行代码在运行时最多会创建几个`String`对象？它们分别位于何处？</div>
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          <div class="card-category">机制</div>
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            <div class="card-answer">这行代码最多会创建两个`String`对象。一个是通过字符串字面量`"xyz"`创建的，位于字符串常量池中；另一个是通过`new`关键字创建的`String`对象，位于堆内存中。</div>
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          <div class="card-source">来源: 1. 字符串常量池中的 "xyz" 字符串对象 和 2. new String("xyz") 创建的 String 对象</div>
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          <div class="card-category">特性</div>
          <div class="card-question">字符串字面量（例如`"xyz"`）在Java中是如何被处理的？如果常量池中已存在相同内容的字符串会发生什么？</div>
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          <div class="card-category">特性</div>
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            <div class="card-answer">Java虚拟机在编译时会将字符串字面量添加到字符串常量池中。如果常量池中已经存在该字符串，JVM将不会创建新对象，而是返回对现有对象的引用。</div>
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          <div class="card-source">来源: 1. 字符串常量池中的 "xyz" 字符串对象</div>
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          <div class="card-category">技术</div>
          <div class="card-question">`new String("xyz")`表达式创建的`String`对象位于哪个内存区域？它和字符串常量池中的`"xyz"`是同一个对象吗？</div>
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          <div class="card-category">技术</div>
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            <div class="card-answer">`new String("xyz")`创建的对象位于堆内存中。它是一个全新的对象，与字符串常量池中的`"xyz"`对象不同，即使它们的内容完全相同。</div>
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          <div class="card-source">来源: 2. new String("xyz") 创建的 String 对象</div>
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